Questions about the GNU General Public License

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0
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1answer
51 views

When do I have to distribute the source code of GPLv2 licensed software?

I was wondering if there is a time line when I have to distribute source code for a binary that has been released under the GPLv2 license. To my understanding, I would need to release the source code ...
1
vote
2answers
189 views

I released my project under GPL. Can I still use it in my commercial app?

So I have this super sweet library I'm working on. Let's say I release it into the wild under GPL. In tandem I'm working on a commercial piece of software, and I'd like to use this library in it. ...
1
vote
4answers
182 views

Charging a fee for GPL software

If I extend software under the GPL licence, I understand that my source code must be freely available. If my source code is freely available can I legally charge a fee for using the version that I ...
1
vote
2answers
109 views

Can I make a closed-source implementation from scratch of a GPL-licensed library? [closed]

I've found a paper describing a particular algorithm I'd like to use, and published with the paper is a GPL licensed source code for the algorithm. I am wondering if I can re-implement the algorithm ...
-3
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0answers
48 views

EULA for warranty and liability disclaimer [migrated]

My browser extensions are licensed under GPL. But GPL serves for code distribution not program usage. As an example, this extension is licensed under GPL. ...
-1
votes
1answer
36 views

How to license (PowerShell) GUI Projects [duplicate]

After almost 2 years learning how to code (in Powershell) and some help at Stackoverflow from time to time, I'm now finally on my way to release my first GUI project. I intend to release the compiled ...
1
vote
0answers
25 views

Integrate non-free (with permission) / differently licenced logos in GPL repository

I'm planning to open source an Android app that I developed against the API of a (small regional) social network. This app is the 'official' version for the website and thus allowed to use the logo ...
0
votes
0answers
25 views

Distributing binaries with a close source program in MIT,BSD,Apache and GPL [duplicate]

I want to make a program that cant be source (because of using commercial libraries) and it should use some binary of others programs that are licensed in MIT,BSD,Apache and GPL. I get these ...
8
votes
2answers
155 views

Why does the LGPL require combined works to include a copy of the GPL?

I was reading through the LGPL license and found a requirement that I was previously unaware of. Section 4 (Combined Works) states: You may convey a Combined Work [...] if you also do each of the ...
0
votes
1answer
63 views

Incorporating GPL content in a commercial application on iOS

Let me start by saying I do generally understand copyleft GPL, but I'm having some trouble with this particular scenario. It's quite complicated to communicate but I'll try my best. First I'm ...
1
vote
1answer
44 views

A little clarification needed with GNU GPL v3

I'm programmaing a visual novel which has the following parts: Script file Program code used for the events where parts of the scripts are displayed 2 different minigames Images Now one of the ...
0
votes
3answers
149 views

Do I have to use GPL for my linux application? If yes, how not to legally?

I've written a linux application that interfaces with a lot of GPL software. My application is written in javascript/HTML/CSS/python and uses MariaDB on a CentOS 7 platform (it also uses jquery and a ...
0
votes
1answer
50 views

Copyright on a forked GPL project? [duplicate]

I'm working on a fork of a project under the GPL that hasn't been maintained for over a year. How do I handle the copyright notice? Here is the copyright notice how do I add my copyright? Copyright ...
2
votes
2answers
87 views

What do I choose if I use the source code from a GPL2 project, and another source code from MIT?

Some scenarios: If I have a project that uses source code from a GPL 2 licensed project, and another set of source code from an MIT licensed project, what do I license my whole project as? What if I ...
2
votes
3answers
52 views

Does Git subtree count as distribution for copyleft licenses?

If I include, say, a GPLv3 repository in in my repository using git subtree, would that count as distribution? Am I now required to license my repository as GPLv3 as well? I don't intend to modify ...
1
vote
0answers
31 views

If I write a code and release it under GPL 2.0 (or other license) do I have to follow it myself? [duplicate]

I know that since I own the code rights I can change the license in a newer version. But does it mean that while it's under GPL I have to comply with it myself? Or can I do whatever I want with it? ...
-2
votes
1answer
85 views

GPL licensed software in commercial applications [duplicate]

Can I sell a service that is provided using software licensed under GNU GLP? Additionally, this service involves the use and modification of other modules under Apache and other free software ...
0
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0answers
49 views

Modifying GPL program to expose internal functions for use in non-GPL program [duplicate]

I know that according to GPLv2 if my non-GPL program links and calls internal functions of a GPL program, my own proprietary program must then be open-sourced (if it's distributed). But suppose that ...
4
votes
3answers
75 views

Licensing for artistic work used inside GPLv3 licensed software

I'm a volunteer for a non-profit organization and am helping them develop a free open source Android application that will be licensed under GPLv3. We are going to use the logo and some other ...
4
votes
1answer
87 views

Code licensing injection and version control history

Are there licensing ramifications to having GPLed code in a public git history, but not a released version of the distributed software? Could a repo owner be obliged to changing their licensing ...
3
votes
1answer
74 views

Using a GPLv2 library in a web project

I'm trying to understand the way that GPLv2 works, and have a couple of questions. I'm going to describe a couple of scenarios, and want to know how GPL applies there. I make a web application that ...
0
votes
2answers
91 views

Add GPL to an existing application

Me and 2 of my friends been working on a small app. The source code of the app is on a private repository on BitBucket but now we would like to make the code of our app public under the terms of GPL. ...
-2
votes
1answer
47 views

set author name for a forked and changed source code

Here is the Makefile I found on the internet for using rf24 on raspberrypi: ############################################################################# # # Makefile for librf24 examples on ...
1
vote
1answer
90 views

Deciding on a software license for a C++ API [closed]

I have designed and developed a C++ API. Its dependencies are: BLAS - custom license - http://www.netlib.org/blas/#_licensing LAPACK - modified BSD - http://www.netlib.org/lapack/LICENSE.txt GLPK - ...
1
vote
1answer
34 views

License Compatibility: CC-BY-NC 3.0 with GPL2 (for Wordpress)?

I'm trying to figure out if I can use code licensed under Creative Commons Attribution-NonCommercial 3.0 (CC-BY-NC 3.0) in a Wordpress plugin (which must be released under GPL). I think the answer is ...
2
votes
1answer
81 views

Can a client-side library under the GPLv3 be used on a closed source website?

I'm building a website using Django and I'd like to include django-wiki, however it is licensed under the GPLv3. Does this require me to open source my front end code and/or server code? Or can I ...
2
votes
1answer
25 views

Proper use of the GPL when using a library covered by an older version

I have a piece of software that I have been working on for a while now. You can find it here. Since it is now at a stage where it could potentially be useful to other researchers, I decided to cover ...
2
votes
1answer
104 views

Xamarin/Mono LGPL Compliance

The LGPL seems to stipulate that I have to distribute my app in a way that the LGPLed code can be replaced. Xamarin keeps saying that to distribute a mac app in the store, I need to use Xamarin.Mac ...
2
votes
1answer
83 views

Distributing a modified OpenJDK class with a proprietary app

I want to distribute a Java class I borrowed from the GPLv2'ed OpenJDK and modified for my own needs as a part of my proprietary application. The header at the top of the source file states (and I've ...
2
votes
2answers
386 views

Can I distribute a GPL executable (not a library) in a closed-source application? [duplicate]

I want to write a closed-source desktop application that uses a piece of GPL software in the background. I know that I can't link to a GPL library (libgit.a). But if I embed a GPL application ...
0
votes
2answers
92 views

Do I have to distribute my commercial source code that links GPL software if I only use this commercial software to provide a reporting service?

At my company we created proprietary software that we use only internally - we do not distribute this software - to generate reports from client data. We sell these reports to our clients, not the ...
0
votes
1answer
50 views

GNU GPL when applied to Data

I would like to export the contents of the GCIDE dictionary data from xml format to sql format for sqlite; however, I am concerned how the GNU GPL License impacts my use of the data. To be clear I ...
2
votes
1answer
44 views

Is there a client license to require servers it connects to using a certain license?

Say I create both a client and a server application. The server remains secret while the client is published under a GPL-ish license, so obviously the communication protocol can be reconstructed to ...
2
votes
2answers
58 views

Containing the GPL inside an external service?

Not asking for legal advice, just educated intuition. Lets say a programmer creates a program to provide a service, for instance (hypothetically) face recognition. User logs in, uploads pictures and ...
0
votes
1answer
132 views

Ext JS - open source license (GPL V3) on client and closed source on server - Does the server-side have to be open source in the end?

First, yes, I understand that you are not a lawyer and that you cannot give me legal advice. I swear I will not hold you accountable for any responses you may give, yada, yada, yada, etc, etc, etc. ...
0
votes
2answers
80 views

Can I take a GPL program and relicense my changes under the AGPL?

Can I take a GPL program and relicense my changes under the AGPL? Say I clone a GPL project, make some changes, can I only allow people to use my changes under the AGPL license?
0
votes
1answer
78 views

Using a GNU GPL licensed component in a BSD licensed software [duplicate]

I am currently in process of writing a software application. In this application, I use another software project which is licensed by GNU GPL. I have widely modified the GNU licensed component and ...
2
votes
1answer
96 views

Can I use a closed source JS file in my GPL webapp?

Note: When I say "open source", I am talking about GPL. Substitute with "free" if you prefer. When I say "closed source", I mean "not GPL or MIT, etc". We have an open source (GPLv3) webapp that we ...
2
votes
1answer
130 views

How come the NSA could release SELinux as GPL when all US Gov work must be Public Domain?

I'm not sure if this is a good question for this site, but it does deal with the things to do with working as programmer. SELinux is a security enhanced version of Linux, and was initially developed ...
18
votes
5answers
4k views

Advantage in being the first to copyleft a new algorithm? [closed]

Say I have created a new (DSP) algorithm. Will I have some advantage if I open source the algorithm under copyleft licence (GPL etc.)? From what I know about licensing this should lock people out from ...
0
votes
2answers
197 views

GPLv3 frontend and BSD backend, do I have to disclose the backend source?

I've gone through a couple of Question on GPL here, but all of them are related to the compiled languages, libraries and distribution. My web project has a backend that is BSD licensed. The front end ...
7
votes
2answers
268 views

Using an LGPL licensed library that may or may not include GPL licensed code from an MIT licensed library

I have read this question on SO, but it doesn't appear to answer my question fully. I maintian a library which is licensed under the MIT License. In my MIT licensed library, I dynamically link ...
1
vote
1answer
75 views

License question regarding open-source project which may eventually contain a commercial component

I'm beginning work on a project which I may wish to commercialize in the future. For now, though, it's just a prototype which I would like to release it with a GPL license. My concern is: if I am to ...
2
votes
1answer
288 views

Changing license of personal GitHub repository [duplicate]

I know you can't take someone else's code and change it from GPL to MIT, but if you are the only contributor to a repository can you freely switch it from GPL to MIT?
0
votes
1answer
135 views

Use GPL code in commercial android app by spawning a separate process [duplicate]

As I understand, GPL allows use of a GPL program along with a proprietary program as long as they are separate programs and communicate at arms length. In order to do this, if I spawn a process from ...
0
votes
1answer
25 views

Orgmode file format license

Orgmode is an emacs plug-in and is under GPL. I am developing an application that uses plain text files to store notes and I do like the org mode file format. I am not going to copy any of the orgmode ...
2
votes
2answers
138 views

What happens if some server side GPLv2 code is leaked? [closed]

So, I know that if you use GPLv2 code in some server side code, you do not need to release that code (as long as you're not distributing it, of course :). However, let's assume that you accidentally ...
2
votes
1answer
125 views

CentOS/RedHat devtoolset license implications

Can I use the RedHat devtoolset to build non-GPL-ed software? Do I have to mind any caveats? From my understanding, the devtoolset knows the limitations of the standard libraries shipped with older ...
1
vote
2answers
63 views

Modifying GPL code to link closely with another program

If program B is licensed under GPL, can a programmer modify it to interact with his own proprietary program, A, such that both programs are separate processes, and then only release the modified ...
3
votes
3answers
334 views

GPLing an implementation of a patented algorithm

TL;DR: Can you publicly release your own implementation of a patented algorithm as a free research tool for others, under the GPL, when you do not hold the patent (but will happily give clear and ...